Phosphorus dynamics and soil P-fertility constraints in Nepal

Soil Science

Volumn 164, Issue 5, 1999, Pages 341-350

  Schreier, H ^a   Brown, S ^a   Lavkulich, L M ^a   Shah, P B ^b  

^a UNIVERSITY OF BRITISH COLUMBIA   (Canada)

^b PARDYP/Intl Ctr Intgd Mt Devmt   (Nepal)

Author keywords

Fe Al chemistry; Middle Mountains; Nepal; P Fe Al interactions; Phosphorus sorption; Site factors; Spatial distribution

Indexed keywords

NUTRIENT DYNAMICS; PARENT MATERIAL; PHOSPHORUS; SOIL FERTILITY; SOIL MANAGEMENT;

NEPAL;

EID: 0033065506     PISSN: 0038075X     EISSN: None     Source Type: Journal    
DOI: 10.1097/00010694-199905000-00006     Document Type: Article

References (20)

1. Barrow, N. J. 1984. Modelling the effects of pH on phosphate sorption by soils.J. Soil Sci. 35:283-297.
2. Borggaard. O., S. Jorgensen, J. Moberg, and B. Raben-Lange. 1990. Influence of organic matter on phosphate adsorption by aluminum and iron oxides in sandy soils. J. Soil Sci. 41:443-449.
3. Brown, S. 1997. Soil fertility, nutrient dynamics and socio-economic interactions in the Middle Mountains of Nepal. PhD thesis, Institute for Resources and Environment, University of British Columbia, Vancouver, BC.
4. Chitrakar, P. 1990. Planning, agriculture and farmers: Strategy for Nepal. Keddar Pradhan Publ., Kathmandu, Nepal.
5. Driscoll, C. T., and K. M. Postek. 1996. The chemistry of aluminum in surface water. In The Environmental Chemistry of Aluminum. G. Sposito (ed.). CRC Lewis Publ., Boca Raton, FL, pp. 363-407.
6. Fox, R. L., and E. J. Kamprath. 1970. Phosphate sorption isotherms for evaluating the phosphate requirements of soils. Soil Sc. Soc. Am. Proc. 34:902-907.
7. Landon, J. (ed.). 1984. Booker Tropical Soil Manual. Booker Agriculture International, Ltd., London, UK.
8. McKeague, J., and J. Day. 1966. Dithionite and oxalate extractable iron and aluminum as aid in differentiating various classes of soils. Can. J. Soil Sci. 46: 13-22.
9. Miller, R., and R. Donahue. 1990. An introduction to soil and plant growth. Prentice Hall, Englewood Cliffs, NJ.
10. Olson, S., and L. E. Sommers. 1982. Soil phosphorus. In Methods of Soil Analysis, Part 2. Chemical and Microbial Properties. A.L. Page et al. (eds.). Agronomy monogr. No. 9, ASA, Madison, WI, pp. 403-430.
11. Page, A., R. Miller, and D. Keeney. 1982. Methods of Soil Analysis, Part 2. Chemical and Microbial Properties. Agronomy monogr. No. 9. ASA, Madison, WI.
12. Pierzynski, G. M., J. T. Sims, and G. F. Vance. 1994. Soil Phosphorus and Environmental Quality. A.L. Page et al. (eds.) Lewis Publishers, CRC Press Inc, Boca Raton, FL, pp 103-141.
13. Schreier, H., S. Brown, M. Schmidt, P. Shah, B. Shrestha, G. Nakarmi, and S. Wymann. 1994a. Gaining forests but losing ground: A GIS evaluation in a Himalayan watershed. Environ. Manage. 18:139-150.
14. Schreier, H., P. B. Shah, L. M. Lavkulich, and S. Brown. 1994b. Maintaining soil fertility under increasing land use pressure in the Middle Mountains of Nepal. Soil Use Management 10:137-142.
15. Schreier, H., P. B. Shah, and S. Brown. 1995. Challenges in mountain resource management in Nepal: Process, trends, and dynamics in a Middle Mountain watershed. Workshop Proceedings. International Development Research Centre and International Centre for Integrated Mountain Development, Kathmandu, Nepal.
16. Schreier, H., S. Brown, M. Carver, and P. B. Shah. 1998. Linking land degradation to nutrient and sediment transport in a Middle Mountain Watershed in Nepal. In Headwaters Water Resources and Soil Conservation. M.J. Haigh, J. Krecek, G.S. Rajwar, and M.P. Kilmartin (eds.). AA. Balkema, Rotterdam, pp. 315-328.
17. Van der Zee, S., and W. van Riemsdijk. 1988. Model for long-term phosphate reaction kinetics in soils. J. Environ. Qual 17:35-41.
18. Weaver, R., J. Syers, and M. Jackson. 1968. Determining Fe and Si in citrate-bicarbonate-dithionite extracts of soils. Soil Sci. Soc. Am. J. 32:497-501.
19. Whittig, L. D., and W. R. Allardice. 1986. X-Ray diffraction techniques. In Methods of Soil Analysis, Part 1. Physical and Mineralogical Methods. A. Klute (ed.). SSSA, Madison WI, pp. 331-361.
20. Yuan, G., and L. M. Lavkulich. 1994. Phosphate sorption in relation to extractable iron and aluminum in Spodosols. Soil Sci. Soc. Am J. 58:343-346.